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Instructions RI8KX753 © Danfoss 09/2016
EKC 202D / EKC 302D
*) Can only be set when regulation is stopped (r12=0)
**) Can be controlled manually, but only when r12=-1
***) With access code 2 the access to these menus will be limited
Access code 1 (all settings)
o05
0
100
0
Used sensor type (Pt /PTC/NTC)
o06
Pt
ntc
Pt
Only EKC 302D: Readout of software version
o08
Display step = 0.5 (normal 0.1 at Pt sensor)
o15
no
yes
no
Max hold time after coordinated defrost
o16
0 min
60 min
20
Select signal for display view. S4% (100%=S4, 0%=S3)
o17
0%
100%
100%
Input signal on DI2. Function:
0=not used. 1=status on DI2. 2=door function with
alarm when open. 3=door alarm when open. 4=defrost
start (pulse-signal). 5=ext. main switch 6=night
operation 7=change reference (activate r40). 8=alarm
function when closed. 9=alarm function when open.
10=case cleaning (pulse signal). 11=forced cooling.
12=coordinated defrost. 13=case shut down (302D).
o37
0
13
0
Configuration of light function (relay 4)
1=ON during day operation. 2=ON / OFF via data com-
munication. 3=ON follows the DI-function, when DI is
selected to door function or to door alarm
o38
1
3
1
Activation of light relay (only if o38=2)
o39
OFF
ON
OFF
Rail heat On time during day operations
o41
0%
100%
100
Rail heat On time during night operations
o42
0%
100%
100
Rail heat period time (On time + Off time)
o43
6 min
60 min 10 min
Case cleaning. 0=no case cleaning. 1=Fans only. 2=All
output Off.
***
o46
0
2
0
Selection of EL diagram. See overview page 2
*
o61
1
2
3
1
3
1
Access code 2 (partly access)
***
o64
0
100
0
EKC 202D only: Save the controllers present settings to
the programming key. Select your own number.
o65
0
25
0
EKC 202D only: Load a set of settings from the pro-
gramming key (previously saved via o65 function)
o66
0
25
0
Replace the controllers factory settings with the
present settings
o67
OFF
On
OFF
Service
Status codes
S0-S33
Temperature measured with S5 sensor
***
u09
Status on DI1 input. on/1=closed
u10
Temperature measured with S3 sensor
***
u12
Status on night operation (on or off) 1=closed
***
u13
Temperature measured with S4 sensor
***
u16
Thermostat temperature
u17
Read the present regulation reference
u28
Status on DI2 output. on/1=closed
u37
Temperature shown on display
u56
Measured temperature for alarm thermostat
u57
Status on relay for cooling
**
u58
Status on relay for fan
**
u59
Status on relay for defrost
**
u60
Status on relay for railheat
**
u61
Status on relay for alarm
**
u62
Status on relay for light
**
u63
The buttons
Set menu
1. Push the upper button until a parameter
r01 is shown
2. Push the upper or the lower button and
find that parameter you want to change
3. Push the middle button until the
parameter value is shown
4. Push the upper or the lower button and
select the new value
5. Push the middle button again to enter
the value.
Cutout alarm relay / receipt alarm/see alarm
code
• Push short the upper button
Set temperature
1. Push the middle button until the
temperature value is shown
2. Push the upper or the lower button and
select the new value
3. Push the middle button to select the
setting.
Reading the temperature at defrost sensor
• Push briefly the lower button
Manuel start or stop of a defrost
• Push the lower button for four seconds.
LED
Light emitting diode
= refrigeration
= defrost
= fan running
Flashes fast at alarm
Fault code display
E 1
Fault in controller
E 6
EKC 202D: Change b check
clock
EKC 302D: Reset the clock
E 25
S3 sensor error
E 26
S4 sensor error
E 27
S5 sensor error
Alarm code display
A 1
High temperature alarm
A 2
Low temperature alarm
A 4
Door alarm
A 5
Max. Hold time
A 15
DI 1 alarm
A 16
DI 2 alarm
A 45
Standby mode
A 59
Case cleaning
Status code display
S0
Regulating
S 1
Waiting for end of the coordinated
defrost
S 2
ON-time Compressor
S 3
OFF-time Compressor
S 4
Drip-off time
S 10
Refrigeration stopped by main
switch
S 11
Refrigeration stopped by thermostat
S 14
Defrost sequence. Defrosting
S 15
Defrost sequence. Fan delay
S 17
Door open (open DI input)
S 20
Emergency cooling
S 25
Manual control of outputs
S 29
Case cleaning
S 30
Forced cooling
S 32
Delay of output at start-up
S 45
Case shut down. Only EKC 302D
non
The defrost temperature cannot
be displayed. There is stop based
on time
-d-
Defrost in progress
PS
Password required
Factory setting
If you need to return to the factory-set values, it can be done in this way:
- Cut out the supply voltage to the controller
- Keep upper and lower button depressed at the same time as you recon nect the supply voltage
